Good point Randall. I won't go any lower. And while the original did fail,
it was around 30 years old. That seems "nearly forever" in electrical terms.
> From: tr3driver@ca.rr.com
> To: shop-talk@autox.team.net
> Date: Sat, 1 Mar 2008 16:27:48 -0800
> Subject: Re: [Shop-talk] Mystery of the blown transformers
>
> From: Jim Stone [mailto:jandkstone99@msn.com]
>
> > Alternatively, I wonder if this one would do the trick:
> >
> >
>
http://cgi.ebay.com/NEW-24-V-40-VA-Control-Transformer-Heating-Thermostat_W0
>
QQitemZ220206175461QQihZ012QQcategoryZ53296QQssPageNameZWDVWQQrdZ1QQcmdZView
> Item
>
> > Its not quite as powerful, but would certainly be easy to install.
>
> I'm always suspicious when transformers fail; as normally they should last
> nearly forever. Going down in rating for a transformer that failed for no
> apparent reason seems like a bad idea to me.
>
> At the very least, I would want to check the actual load. A typical 1156
> brake light bulb is rated for 2.1 amps, and 24 volts times 2.1 amps is
> 50.4va. But it's not unusual for a "24v" transformer to put out more than
> it's rated voltage (especially if the line input is above the minimum
> voltage, which it usually is), so the actual power may have been even
> higher.
>
> Caveat : If you mentioned what bulbs it has, I didn't notice. I'm just
> guessing that it might be a pair of 1156 as they are very common. But the
> point is that the original 50va unit may have already been overloaded, so
> the 40va would be even more so (and hence prone to early failure).
>
> Randall
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